HydroHackers: Mission 4 Power Turns

HydroHackers Mission 4: Power Turns

Science at the Pool: Heart Power, Force + Momentum

Power Turns is a printable, pool-based science lesson that turns Water Polo Lite into an active exploration of the cardiovascular system, force, momentum, and efficient movement.

Kids will pass, receive, shoot, turn, redirect moving balls, and test how their heart rate changes before and after active play. Along the way, they will learn how the heart pumps blood, how oxygen reaches working muscles, and why controlled movement can save energy.

This mission is designed to feel like a game first—and sneak in real science while kids are moving, collaborating, and having fun.

Inside this printable packet

• Mission 4 cover + teacher guide
• Step-by-step lesson flow
• Heart + blood flow anatomy poster
• Force + momentum physics poster
• Water Polo Lite cheat codes
• Power Turns challenge games
• Heart-rate challenge page
• Little Power Players shallow-water station
• Cardiovascular vocabulary/reference page
• Label-the-cardiovascular-system activity
• Two-page Power Turns Hacker Log reflection sheet
• Full-page crossword puzzle space for your custom activity

Kids will explore

• How the heart, blood vessels, and oxygen support working muscles
• How to find and compare a pulse before, after, and following recovery
• Force as a push or pull
• Potential energy, kinetic energy, and momentum
• How passes, shots, saves, and redirects change a ball’s movement
• Why planting, turning, pushing, and recovering can help conserve energy
• Water polo vocabulary including possession, pass, receive, shot, save, and steal

Main activities

Water Polo Lite

A low-pressure, shallow-water version of water polo using a soft foam ball and poolside targets or baskets.

Power Turns Challenges

Practice possession pivots, momentum stops, controlled passes, and basket shots.

Pump Before, Push After

Check pulse before play, right after a movement burst, and after recovery to see the cardiovascular system in action.

Little Power Players Station

A preschool-friendly pass, pass, shoot game using gentle force, simple movement vocabulary, and a poolside basket target.

Best for

Ages 6–13, with built-in shallow-water and low-pressure adaptations for younger kids, mixed-age groups, hesitant swimmers, and neurodivergent learners.

Subject areas

• Life Science / Human Body
• Cardiovascular System
• Physics
• Force and Motion
• Energy
• Teamwork and Strategy

Format

Digital printable PDF lesson packet. Print pages for teaching, use as poolside posters, or place pages in sheet protectors for repeat use.

Use it with

Homeschool groups, co-ops, summer camps, pool parties, science clubs, family learning days, or any curious kids who learn best by moving.

Digital download only. No physical product will be shipped.